摘要
从理论上分析了错相及缺相判别原理 ,提出了新颖保护电路 ,其线路简单、实用 .
A judging principle of phase change and phase out was analyzed in theory,and a new protecting circuit was advanced.The circuit is simple and useful.
出处
《延边大学农学学报》
2001年第4期274-277,共4页
Agricultural Science Journal of Yanbian University
